Knife blade for a scraper tool



FIG. 1 is a top plan view of the novel knife blade for a scraper tool showing a handle drawn in phantom lines;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a second top plan view of the novel knife blade for a scraper tool showing a second configuration of a handle in phantom lines.

The broken lines showing environment in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a knife blade for a scraper tool, as shown and described. 